#include <vector>
using namespace std;

class Solution {
public:
    int maxProfit(vector<int>& prices)
    {
        int profit = 0;
        for (int i = 1; i < prices.size(); ++i)
        {
            if (prices[i] > prices[i - 1])
            {
                profit += prices[i] - prices[i - 1];
            }
        }
        return profit;
    }
};